.box {
    background-color: #eee;
}
.nav_box {
    width: 96%;
    height: 4.5vh;
    font-size: 12px;
    color:#b0b0b0;
    background-color:#333333;
    display: flex;
    padding: 0 30px;
    justify-content: space-between;
    align-items: center;
}
.nav_left {
    width: 60%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    cursor: pointer;
}
.nav_right {
    width: 20%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    cursor: pointer;
}
.nav_right a {
    text-decoration: none;
    color: #b0b0b0;
}
.home_classify {
    width: 96%;
    height: 12vh;
    background-color: #fff;
    display: flex;
    padding: 0 30px;
    justify-content: space-between;
    align-items: center;
}
.home_class_logo {
    width: 5%;
    height: 60px;
    background-color: orangered;
}
.home_class_items {
    width: 62%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}
.home_class_search {
    width: 20%;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    cursor: pointer;
}
.home_class_search input {
    width: 200px;
    height: 40px;
    outline: none;
    border: 1px solid #666;
}
.home_class_search button {
    width: 42px;
    height: 44px;
    outline: none;
    border: 1px solid #666;
}
.home_bread {
    font-size: 12px;
    color: #999;
    text-align: left;
    padding: 5px 80px;
}
.home_container {
    width: 90%;
    color: #999;
    background-color: #fff;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}
.home_container a {
    color: #999;
    text-decoration: none;
}